blackish facial patch

基本解释

Objective: To discuss the research evolution of blackish facial patch.
目的：探討黧黑斑之研究沿革。
Methods: According the literatures of past dynasties, the research connotations of blackish facial patch in each dynasty were inspected.
方法：根據歷代文獻，考察各個朝代黧黑斑之研究內涵。
Results: During the Warring States era, the name, etiology, pathogenesis, diagnosis and treatment of blackish facial patch had preliminary study, only formulae and drugs absence.
結果：早在春鞦戰國時期，對黧黑斑之病名、病因病機、診斷與治法已有初步研究，唯獨方葯缺如。